Multiple rounds of snow are expected through Wednesday and dangerously cold temperatures will arriving by the week’s end, ...

As one blast of Arctic air pushes out to sea, already a new surge of cold air, driven by a breakdown of the polar vortex, is ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to ...

But across the country, AccuWeather meteorologists are predicting major travel disruptions as a storm system is set to batter much of the western United States and Midwest with heavy snow and cold ...

A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.

WBZ-TV chief meteorologist Eric Fisher explains why the door is opening for some potentially significant winter weather.

After a mild weekend, temperatures will drop 10-15 degrees on Sunday. Above-average tempertures ruturn on Tuesday.

An Arctic blast is expected to bring below-average temperatures to the central U.S. and New England in late November and early December. A weakening polar vortex, influenced by a rare weather ...

A rare stratospheric warming event high above the Arctic could disrupt the polar vortex and send colder air toward Texas in ...